Chugai Pharmaceutical Co., Ltd.TSE: 4519

Voting Results (Extraordinary Report) of the 115th Annual General Meeting of Shareholders

· Issued by Chugai Pharmaceutical Co., Ltd.

Extraordinary Report

March 27, 2026

(TRANSLATION)

Note for readers of this English translation

On March 27, 2026, Chugai Pharmaceutical Co., Ltd. filed its Japanese-language Extraordinary Report (Rinji Houkokusho) with the Director-General of the Kanto Financial Bureau in Japan in connection with the Company's shareholders' voting results for proposals acted upon at the 115th Annual General Meeting of Shareholders held on March 26 2026, pursuant to the Financial Instruments and Exchange Act of Japan. This document is an English translation of the Report.

  1. Reason for submitting the Extraordinary Report

    Given that resolutions were made for the proposals at the 115th Annual General Meeting of Shareholders (the "Meeting") held on March 26, 2026, Chugai Pharmaceutical Co., Ltd. (the "Company") submits this Extraordinary Report under the provisions of Article 24-5 , Paragraph 4,of the Financial Instruments and Exchange Act of Japan and Article 19, Paragraph 2, Item 9-2, of the Cabinet Office Ordinance on Disclosure of Corporate Information, etc. (the "Report").

  2. Contents of the Report

  1. Date when the Meeting was held; March 26, 2026

  2. Matters for resolution

    First Proposal: Appropriation of Surplus Year-end dividend

    JPY 147 per share of common stock of the Company

    Second Proposal: Election of Nine (9) Directors

    Elect Osamu Okuda, Iwaaki Taniguchi, Hitoshi, Fumio Tateishi, Hideo Teramoto, Kinuko Mitani, Thomas Schinecker, Teresa A. Graham and Boris L. Zaïtra as Directors of the Company.

    Third Proposal: Revision of Stock Compensation System for Directors

    Revision to Trust-Based Stock Compensation System for Directors (excluding Non-Executive Directors) in place of the restricted stock compensation. The maximum amount of money to be contributed by the Company to the Trust shall be JPY 450 million per fiscal year, and the maximum number of the Company's shares to be delivered to Directors shall be 150,000 shares per fiscal year.

    Proposal

    For

    Against

    Abstention

    Ratio of favorable votes

    Results

    First Proposal

    15,046,460

    20,998

    959

    99.85%

    Approved

    Second Proposal

    Osamu Okuda

    11,730,887

    3,311,486

    26,014

    77.85%

    Approved

    Iwaaki Taniguchi

    14,477,943

    562,352

    28,119

    96.08%

    Approved

    Hitoshi Iikura

    14,480,030

    560,264

    28,119

    96.09%

    Approved

    Fumio Tateishi

    14,560,076

    507,382

    959

    96.63%

    Approved

    Hideo Teramoto

    14,579,923

    487,536

    959

    96.76%

    Approved

    Kinuko Mitani

    14,787,633

    279,829

    959

    98.14%

    Approved

    Thomas Schinecker

    14,478,968

    561,326

    28,119

    96.09%

    Approved

    Teresa A. Graham

    14,487,208

    553,086

    28,119

    96.14%

    Approved

    Boris L. Zaïtra

    14,262,207

    778,077

    28,119

    94.65%

    Approved

    Third Proposal

    15,009,113

    58,340

    959

    99.61%

    Approved

  3. Number of voting rights concerning the indication of "for", "against" or "abstention" for each proposal; and Requirements for approving the proposals: Results of the resolutions

    Notes: Requirements for the approval of each proposal are as follows:

    1. The resolution for the First and Third Proposals must be adopted by the majority of the votes of the shareholders present who are entitled to exercise their voting rights.

    2. The resolution for the Second Proposal must be adopted by a majority of the votes of the shareholders present at the Meeting where the number of the voting rights of the shareholders present, amounts to one-third (1/3) or more.

  4. Reason why a portion of the voting rights held by the shareholders present at the Meeting held on March 26, 2026, was not added to the number of voting rights

Because in terms of Japanese Companies Act, the required majority approval for each proposal was met by the votes exercised prior to the Meeting held on March 26, 2026, as well as the votes exercised by a portion of shareholders present and confirmed by the Company at the Meeting held on March 26, 2026; and the voting rights of the shareholders present at the Meeting held on March 26, 2026, untraceable with the final decision of "for", "against" or "abstention" as to each proposal were not tallied.

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